/**
 ******************************************************************************
 * @file           : usbd_desc.c
 * @version        : v1.0_Cube
 * @brief          : This file implements the USB Device descriptors
 ******************************************************************************
 *
 * COPYRIGHT(c) 2016 STMicroelectronics
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * 3. Neither the name of STMicroelectronics nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 ******************************************************************************
 */

/* Includes ------------------------------------------------------------------*/
#include "usbd_core.h"
#include "usbd_desc.h"
#include "usbd_conf.h"
#include "sysconfig.h"

/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
 * @{
 */

/** @defgroup USBD_DESC
 * @brief USBD descriptors module
 * @{
 */

/** @defgroup USBD_DESC_Private_TypesDefinitions
 * @{
 */

/**
 * @}
 */

/** @defgroup USBD_DESC_Private_Defines
 * @{
 */
#define USBD_VID                        0x0483
#define USBD_LANGID_STRING              0x409
#define USBD_MANUFACTURER_STRING        "CoolSaven"

#if  USB_TYPE == COMPOSITE_USB
#define USBD_PID_FS                     0x5738
#elif USB_TYPE == CDC_USB
#define USBD_PID_FS                     0x5739
#endif

#define USBD_PRODUCT_STRING_FS          "CoolSaven Composite Device"
#define USBD_SERIALNUMBER_STRING_FS     "00000000001A"
#define USBD_CONFIGURATION_STRING_FS    "CoolSaven Config"
#define USBD_INTERFACE_STRING_FS        "CoolSaven Interface"

/* USER CODE BEGIN 0 */

/* USER CODE END 0*/

/**
 * @}
 */

/** @defgroup USBD_DESC_Private_Macros
 * @{
 */

/**
 * @}
 */

/** @defgroup USBD_DESC_Private_Variables
 * @{
 */
uint8_t *USBD_FS_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_FS_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_FS_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_FS_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_FS_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_FS_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_FS_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);

#ifdef USB_SUPPORT_USER_STRING_DESC
uint8_t *USBD_FS_USRStringDesc(USBD_SpeedTypeDef speed, uint8_t idx, uint16_t *length);
#endif /* USB_SUPPORT_USER_STRING_DESC */

USBD_DescriptorsTypeDef FS_Desc =
{
  USBD_FS_DeviceDescriptor,
  USBD_FS_LangIDStrDescriptor,
  USBD_FS_ManufacturerStrDescriptor,
  USBD_FS_ProductStrDescriptor,
  USBD_FS_SerialStrDescriptor,
  USBD_FS_ConfigStrDescriptor,
  USBD_FS_InterfaceStrDescriptor,
};

#if defined (__ICCARM__)   /*!< IAR Compiler */
#pragma data_alignment=4
#endif

#if (USB_TYPE == COMPOSITE_USB)
/* USB Standard Device Descriptor */
__ALIGN_BEGIN uint8_t USBD_FS_DeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END =
{
  0x12,                        /*bLength */
  USB_DESC_TYPE_DEVICE,        /*bDescriptorType*/
  0x00,                        /* bcdUSB */
  0x02,
  0x00, /*bDeviceClass*/       //00
  0x00, /*bDeviceSubClass*/    //00
  0x00,                        /*bDeviceProtocol*/
  USB_MAX_EP0_SIZE,            /*bMaxPacketSize*/
  LOBYTE(USBD_VID),            /*idVendor*/
  HIBYTE(USBD_VID),            /*idVendor*/
  LOBYTE(USBD_PID_FS),         /*idVendor*/
  HIBYTE(USBD_PID_FS),         /*idVendor*/
  0x00,                        /*bcdDevice rel. 2.00*/
  0x02,
  USBD_IDX_MFC_STR,            /*Index of manufacturer  string*/
  USBD_IDX_PRODUCT_STR,        /*Index of product string*/
  USBD_IDX_SERIAL_STR,         /*Index of serial number string*/
  USBD_MAX_NUM_CONFIGURATION   /*bNumConfigurations*/
};
#elif (USB_TYPE == CDC_USB)

/* USB Standard Device Descriptor */
__ALIGN_BEGIN uint8_t USBD_FS_DeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END =
{
  0x12,                        /*bLength */
  USB_DESC_TYPE_DEVICE,        /*bDescriptorType*/
  0x00,                        /* bcdUSB */
  0x02,
	0x02,                        /*bDeviceClass*/
	0x02,                       /*bDeviceSubClass*/
  0x00,                        /*bDeviceProtocol*/
  USB_MAX_EP0_SIZE,            /*bMaxPacketSize*/
  LOBYTE(USBD_VID),            /*idVendor*/
  HIBYTE(USBD_VID),            /*idVendor*/
  LOBYTE(USBD_PID_FS),         /*idVendor*/
  HIBYTE(USBD_PID_FS),         /*idVendor*/
  0x00,                        /*bcdDevice rel. 2.00*/
  0x02,
  USBD_IDX_MFC_STR,            /*Index of manufacturer  string*/
  USBD_IDX_PRODUCT_STR,        /*Index of product string*/
  USBD_IDX_SERIAL_STR,         /*Index of serial number string*/
  USBD_MAX_NUM_CONFIGURATION   /*bNumConfigurations*/
};
#endif	


/* USB_DeviceDescriptor */

#if defined (__ICCARM__)   /*!< IAR Compiler */
#pragma data_alignment=4
#endif

/* USB Standard Device Descriptor */
__ALIGN_BEGIN uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC] __ALIGN_END =
{
  USB_LEN_LANGID_STR_DESC,
  USB_DESC_TYPE_STRING,
  LOBYTE(USBD_LANGID_STRING),
  HIBYTE(USBD_LANGID_STRING),
};

#if defined (__ICCARM__)   /*!< IAR Compiler */
#pragma data_alignment=4
#endif
__ALIGN_BEGIN uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ] __ALIGN_END;

/**
 * @}
 */

/** @defgroup USBD_DESC_Private_FunctionPrototypes
 * @{
 */

/**
 * @}
 */

/** @defgroup USBD_DESC_Private_Functions
 * @{
 */

/**
 * @brief  USBD_FS_DeviceDescriptor
 *         return the device descriptor
 * @param  speed : current device speed
 * @param  length : pointer to data length variable
 * @retval pointer to descriptor buffer
 */
uint8_t *USBD_FS_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
  *length = sizeof(USBD_FS_DeviceDesc);
  return USBD_FS_DeviceDesc;
}


/**
 * @brief  USBD_FS_LangIDStrDescriptor
 *         return the LangID string descriptor
 * @param  speed : current device speed
 * @param  length : pointer to data length variable
 * @retval pointer to descriptor buffer
 */
uint8_t *USBD_FS_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
  *length = sizeof(USBD_LangIDDesc);
  return USBD_LangIDDesc;
}


/**
 * @brief  USBD_FS_ProductStrDescriptor
 *         return the product string descriptor
 * @param  speed : current device speed
 * @param  length : pointer to data length variable
 * @retval pointer to descriptor buffer
 */
uint8_t *USBD_FS_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
  if (speed == 0)
  {
    USBD_GetString(USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);
  }
  else
  {
    USBD_GetString(USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);
  }
  return USBD_StrDesc;
}


/**
 * @brief  USBD_FS_ManufacturerStrDescriptor
 *         return the manufacturer string descriptor
 * @param  speed : current device speed
 * @param  length : pointer to data length variable
 * @retval pointer to descriptor buffer
 */
uint8_t *USBD_FS_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
  USBD_GetString(USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
  return USBD_StrDesc;
}


/**
 * @brief  USBD_FS_SerialStrDescriptor
 *         return the serial number string descriptor
 * @param  speed : current device speed
 * @param  length : pointer to data length variable
 * @retval pointer to descriptor buffer
 */
uint8_t *USBD_FS_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
  if (speed == USBD_SPEED_HIGH)
  {
    USBD_GetString(USBD_SERIALNUMBER_STRING_FS, USBD_StrDesc, length);
  }
  else
  {
    USBD_GetString(USBD_SERIALNUMBER_STRING_FS, USBD_StrDesc, length);
  }
  return USBD_StrDesc;
}


/**
 * @brief  USBD_FS_ConfigStrDescriptor
 *         return the configuration string descriptor
 * @param  speed : current device speed
 * @param  length : pointer to data length variable
 * @retval pointer to descriptor buffer
 */
uint8_t *USBD_FS_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
  if (speed == USBD_SPEED_HIGH)
  {
    USBD_GetString(USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);
  }
  else
  {
    USBD_GetString(USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);
  }
  return USBD_StrDesc;
}


/**
 * @brief  USBD_HS_InterfaceStrDescriptor
 *         return the interface string descriptor
 * @param  speed : current device speed
 * @param  length : pointer to data length variable
 * @retval pointer to descriptor buffer
 */
uint8_t *USBD_FS_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
  if (speed == 0)
  {
    USBD_GetString(USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
  }
  else
  {
    USBD_GetString(USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
  }
  return USBD_StrDesc;
}


/**
 * @}
 */

/**
 * @}
 */

/**
 * @}
 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
